45228940 has 12 divisors (see below), whose sum is σ = 94980816. Its totient is φ = 18091568.

The previous prime is 45228923. The next prime is 45228961. The reversal of 45228940 is 4982254.

It is a junction number, because it is equal to n+sod(n) for n = 45228896 and 45228905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1130704 + ... + 1130743.

It is an arithmetic number, because the mean of its divisors is an integer number (7915068).

Almost surely, 2^45228940 is an apocalyptic number.

It is an amenable number.

45228940 is an abundant number, since it is smaller than the sum of its proper divisors (49751876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45228940 is a wasteful number, since it uses less digits than its factorization.

45228940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261456 (or 2261454 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 45228940 is about 6725.2464638852. The cubic root of 45228940 is about 356.2915068084.

It can be divided in two parts, 452 and 28940, that added together give a palindrome (29392).

The spelling of 45228940 in words is "forty-five million, two hundred twenty-eight thousand, nine hundred forty".